Description

L-Threo-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Ethyl Ester (9Ci) is a specialized chiral building block and intermediate of significant interest in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of pharmaceuticals and bioactive compounds. It is primarily needed by research institutions and industrial R&D departments focused on medicinal chemistry, asymmetric synthesis, and the production of fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), especially nucleoside analogs and other bioactive molecules.
• Medicinal Chemistry Research: Used in the exploration of structure-activity relationships (SAR) and the synthesis of targeted compound libraries for drug discovery programs.
• Asymmetric Synthesis: Serves as a valuable starting material or intermediate in stereoselective reactions to introduce specific chiral centers into more complex molecules.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, agrochemicals, and other high-value, complex organic compounds.
• Academic Research: Utilized in university and institutional laboratories for methodological development in organic synthesis and carbohydrate chemistry.
• Bioconjugate Chemistry: Potential use in the synthesis of labeled compounds or probes for biochemical and diagnostic applications.

Basic Information

Item	Detail
Product Name	L-Threo-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Ethyl Ester (9Ci)
CAS No.	145631-84-1
Molecular Formula	C8H14O4
Molecular Weight	174.19 g/mol
Synonyms	Ethyl 2,3-anhydro-4,5-dideoxy-4-methyl-L-threo-pentonate; 4,5-Dideoxy-4-methyl-2,3-anhydro-L-threo-pentonic acid ethyl ester; L-Threo-Pentonic acid, 2,3-anhydro-4,5-dideoxy-4-methyl-, ethyl ester (9CI); Anhydro-dideoxy-methyl pentonic acid ethyl ester; Ethyl (2S,3S)-2,3-anhydro-4,5-dideoxy-4-methylpentonate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is characterized using advanced analytical techniques to confirm identity, purity, and chiral integrity. Certificates of Analysis (COA) detailing specific batch results are available upon request, providing full traceability and supporting your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or stored in darkness.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Optical Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.